Handaes High Power Zoom Binoculars,50X50 Zoom Binoculars Double adjustable zoom for Outdoor Travel , w/ Carry Case & Strap Waterproof, Moistureproof, dust-proof, mouldproof Quality materials used and tested extensively Porro prism and coated lenses provide sharp viewing, High brightness, True color. Large objective lens, wide range, comfort,Watch the distance far Non-slip design and easy to use.